Bump markdown-it from 7.0.1 to 12.3.2

Bumps [markdown-it](https://github.com/markdown-it/markdown-it) from 7.0.1 to 12.3.2.
- [Release notes](https://github.com/markdown-it/markdown-it/releases)
- [Changelog](https://github.com/markdown-it/markdown-it/blob/master/CHANGELOG.md)
- [Commits](markdown-it/markdown-it@7.0.1...12.3.2)

---
updated-dependencies:
- dependency-name: markdown-it
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -19,7 +19,7 @@
     "fs": "0.0.2",
     "json-schema-ref-parser": "^3.1.2",
     "lodash": "^4.17.21",
-    "markdown-it": "^7.0.0",
+    "markdown-it": "^12.3.2",
     "swagger-parser": "^3.4.1"
   }
 }